7y+9y-15=1

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Solution for 7y+9y-15=1 equation: 


Simplifying
7y + 9y + -15 = 1

Reorder the terms:
-15 + 7y + 9y = 1

Combine like terms: 7y + 9y = 16y
-15 + 16y = 1

Solving
-15 + 16y = 1

Solving for variable 'y'.

Move all terms containing y to the left, all other terms to the right.

Add '15' to each side of the equation.
-15 + 15 + 16y = 1 + 15

Combine like terms: -15 + 15 = 0
0 + 16y = 1 + 15
16y = 1 + 15

Combine like terms: 1 + 15 = 16
16y = 16

Divide each side by '16'.
y = 1

Simplifying
y = 1

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